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Add 28/75 and 42/84

28/75 + 42/84 is 131/150.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 84 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 75 × 28 = 2100,
    28/75 = 28 × 28/75 × 28 = 784/2100
  3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
    42/84 = 42 × 25/84 × 25 = 1050/2100
  4. Add the two like fractions:
    784/2100 + 1050/2100 = 784 + 1050/2100 = 1834/2100
  5. 1834/2100 simplified gives 131/150
  6. So, 28/75 + 42/84 = 131/150

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